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Question
(i) What is the importance of a Relief Map.
(ii) How can we show occupations by the evidences of names or by inference of relief features?
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Solution
(i) The study of relief features requires careful handling. It is a bird’s eye view of the entire . area where hills, plateau, and down lands are shown clearly. The gap between, two hills is marked. Maximum heights may be located and denoted with grid reference.
(ii) The following list shows the occupations by the evidence of names or by inference of relief features.
| Evidences or Inferences of Relief | Amplification of Occupations |
| (i) Forest-green patch | Forestry |
| (ii) Yellow colour and orchards | Agriculture |
| (iii) Pastures and meadows or scrub | Cattle grazing or sheep rearing. |
| (iv) Quarries and mines | Quarrying and mining |
| (v) Settlement near main roads-Annual fair (written) | Trade |
| (vi) Mines and factories | Industrial development |
| (vii) Park, golf courses, rifle ranges | Recreation and cultural development |
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(e)
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(ii) 
277.
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(m) What do the words Motorable in dry season in grid square 1701 refer to?
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Study the extract of the Survey of India Map Sheet No. 45D/10 and answer the following questions: (Map G)
(a) Give the four-figure grid reference of:
(i) Dadarla (ii) Bhamra
(b) Which is the largest settlement shown on the map extract? Which one communication facility is exclusively available to this settlement?
(c) What does RF stand for? State the RF of the map provided to you.
(d) What is the total area of the actual ground represented in the map extract? (Show with the help of a simple calculation)
(e) What is meant by ‘contour interval’? State the contour interval of the toposheet provided to you
(f) State the highest and the lowest spot heights found on the map extract. Also mention whether they are in metres or in feet.
(g) Give the six-figure grid reference of:
(i) Spot height 339 (ii) Permanent hut located near Dhad Talao.
(h) What, according to you is the main (i) occupation, and (ii) religion of the people of the above area?
(i) Name one ‘natural’ and one ‘man-made’ source of irrigation used in this region.
(j) Name the general mode of transportation used in this region. What special feature of this mode is mentioned in the map extract?
Write short note on ‘Marginal Information’ in Topographical sheets.
